Commonly Used Docker Commands Cheat Sheet

Cheat sheet for some commonly used Docker commands:

1. docker run <image>: Starts a new container from the specified image.
2. docker ps: Lists running containers.
3. docker ps -a: Lists all containers (including those that are stopped).
4. docker pull <image>: Pulls the specified image from DockerHub.
5. docker stop <container_id>: Stops a running container.
6. docker rm <container_id>: Removes a container. The container must be stopped first.
7. docker images: Lists all images on your local system.
8. docker rmi <image_id>: Removes an image.
9. docker start <container_id>: Starts a stopped container.
10. docker inspect <container_id>: Shows detailed information about a container.
11. docker logs <container_id>: Shows the logs of a container.
12. docker exec -it <container_id> /bin/bash: Opens a new shell inside an already running container.

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1. docker build -t <image_name> .: Builds a Docker image from a Dockerfile in the current directory.
2. docker run -d <image>: Runs a container in detached mode (in the background).
3. docker run -p <host_port>:<container_port> <image>: Starts a new container and forwards the specified port from the container to the host.
4. docker run -v <host_dir>:<container_dir> <image>: Starts a new container and mounts the specified host directory into the container.
5. docker commit <container_id> <new_image_name>: Creates a new image from a container's changes.
6. docker login: Login to the DockerHub.
7. docker push <username/image_name>: Pushes an image to DockerHub.
8. docker tag <image_id> <username/image_name>: Tags an image with a new name.

This is not an exhaustive list of all Docker commands. There are many more commands and options available in Docker. Please refer to the Docker documentation for more detailed information: https://docs.docker.com/

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